E. Thoroughly clean tapered surfaces of stud and
mounting boss of support hub. Secure support hub
(position slotted hole in hub toward rear of deck) to
tapered stud with flat washer and flange nut. Tighten
flange nut from 155 to 185 ft−lb (210 to 321 N−m).
CAUTION
When raising machine, use correct blocks,
hoists, and jacks. Make sure machine is parked
on a solid, level surface such as a concrete
floor. Prior to raising machine, remove any at-
tachments that may interfere with the safe and
proper raising of the machine. Always chock or
block wheels. Use jack stands or solid wood
blocks to support the raised machine. If the ma-
chine is not properly supported by blocks or
jack stands, the machine may move or fall,
which may result in personal injury.
2.
Position lift arm to frame and insert lift arm pin. En-
gage roll pin into frame slots and install lock nut on pin.
Torque lock nut from 60 to 70 ft−lb (81 to 94 N−m).
3.
Align lift cylinder with lift arm. Slide lift cylinder pin
through lift arm and cylinder end. Secure pin with flange
head screw and lock nut.
4.
Install front wheel assembly. Lower machine to the
ground.
3.
Support machine on jack stands. Remove front wheel
next to lift arm that is being removed.
Chock rear wheels and jack up front of machine.
5.
Chapter 8 − Cutting Deck).
Install cutting deck (see Cutting Deck Installation in
6.
Manual).
Lubricate lift arm grease fittings (see Operator’s
4.
lift cylinder pin to lift arm. Remove pin and separate lift
cylinder from lift arm.
Remove flange head screw and lock nut that secure
7.
After assembly is completed, raise and lower the cut-
ting deck to verify that hydraulic hoses and fittings do not
contact anything.
5.
arm and slide pin from frame and lift arm. Remove lift
arm from frame.
Remove lock nut that secures lift arm pin. Support lift
8.
Check height−of−cut and deck pitch adjustment (see
Operator’s Manual).
6.
As needed, disassemble lift arm:
A. Remove height−of−cut chain and damper as-
sembly.
.750”
(19.1 mm)
2
B. Press flange bearings from lift arm.
C. Remove flange nut, flat washer, and support hub
from tapered stud. Remove tapered stud with spheri-
cal bearing from lift arm after removing retaining ring
from lift arm. Remove flange nut and spherical bear-
ing from stud.
1
Figure 3
Installation
1.
Lift arm
2.
U−bolt threads
1.
If removed, install components to lift arm.
A. Assemble height−of−cut chain u−bolt so that
threaded portion of u−bolt extends .750” (19.1 mm)
above mounting plate on lift arm (Fig. 3).
2
B. If rod ends were removed from damper, apply
Loctite #242 to threads and install on damper. Install
damper assembly to lift arm with damper rod end to-
ward deck (Fig. 4).
4
3
C. Press flange bearings into lift arm.
1
D. Install spherical bearing on tapered stud and se-
cure with flange nut. Torque flange nut from 100 to
140
cal bearing into lift arm and secure with retaining ring.
in−lb (11.3 to 15.8 N−m). Install stud with spheri-
Figure 4
1.
2.
Lift arm
Deck castor arm
3.
4.
Support hub
Damper
Groundsmaster 4100−D
Page 7 − 5
Chassis
| Categories | Lawn Mower Manual, Sprinkler and Irrigation Manuals, Toro Sprinkler and Irrigation Manuals |
|---|---|
| Tags | Toro Groundsmaster 4100 D |
| Download File |
|
| Document Type | Catalog |
| Language | English |
| Product Brand | Toro. Customer Service Representatives are available by phone:
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| Publisher | toro.com |
| Wikipedia's Page | Toro Company |
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